To test an iOS native application file (.ipa or .app file), make sure the file is already built and signed properly to deploy on the device. Follow these steps to check if an application file is already built and signed correctly:

1. Open Xcode and navigate to Window/Devices.

2. Choose your device from the Devices list.

3. Press the “+” button and choose your application file.

4. If installed successfully, the application will appear in the Installed Apps section, as shown below:

3. Desired Capabilities

You can modify extra Desired Capabilities when executing automation tests in Katalon Studio.